By now, we all know that good semantic metadata and markup makes your content and products more useful, more discoverable, more valuable. But what semantics make sense, and how much work is involved in getting this right? In this session, three publishers will provide insights and advice based on their real-world experiences in implementing semantics effectively. One has developed proprietary vocabularies that specifically address their own needs; one has taken a standards-based approach; and one has collaborated with a competitor to create semantics that work for both of them—and their constituency.